Prior to adding the new "expected-no-diagnostics" directive to VerifyDiagnosticConsumer, make the necessary adjustment to 580 test-cases which will henceforth require this new directive.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166280 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/ASTMerge/exprs.c b/test/ASTMerge/exprs.c
index 0a4e1e5..c82e683 100644
--- a/test/ASTMerge/exprs.c
+++ b/test/ASTMerge/exprs.c
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -emit-pch -o %t.1.ast %S/Inputs/exprs1.c
 // RUN: %clang_cc1 -emit-pch -o %t.2.ast %S/Inputs/exprs2.c
 // RUN: %clang_cc1 -ast-merge %t.1.ast -ast-merge %t.2.ast -fsyntax-only -verify %s
+// expected-no-diagnostics